diff --git a/lectures/open-science-for-grand-challenges.html b/lectures/open-science-for-grand-challenges.html
index 3b443cd..79e5dcb 100644
--- a/lectures/open-science-for-grand-challenges.html
+++ b/lectures/open-science-for-grand-challenges.html
@@ -12,7 +12,7 @@ <h3 style="margin-top: 0.5em">
 <img style="width: 25%;" src="img/logos/ncstate.png">
 <p>
     GIS 710: Geospatial Analytics for Grand Challenges<br>
-    November 7, 2022
+    November 13, 2023
 </p>
 <p>
     <a href="../topics/open-science-for-grand-challenges.html" style="font-size: 150%;">https://bit.ly/2oR9owy</a>
@@ -150,11 +150,15 @@ <h3>Scooping</h3>
             <a href="https://doi.org/10.5334/dsj-2017-029">DOI 10.5334/dsj-2017-029</a>
         </small>
     </blockquote>
-    PLOS publishes Scooped research and Negative and null results
     <small class="glow">
         Discussion questions:
         What is scooping (being scooped) in science?
         Are you afraid of it?
+        <br>
+        PLOS publishes
+        <a href="https://theplosblog.plos.org/2020/04/the-importance-of-being-second-plos-wide-edition/">scooped research</a>
+        and
+        <a href="https://journals.plos.org/plosone/s/what-we-publish">negative and null results</a>
     </small>
 </section>
 
@@ -295,45 +299,23 @@ <h3>Open Source Software and Government</h3>
 
 
 <section>
-    <h2>Why Open Science?</h2>
+    <h2>NSF grant</h2>
+    <ul>
+        <li>$1.5M NSF grant awarded to NC State, ASU, NMSU, Yale</li>
+        <li>to enhance infrastructure</li>
+        <li>to revise contributing guidelines</li>
+        <li>to support community building</li>
+    </ul>
+    <p>Note: The NSF program is aiming at sustainability, not adding features or fix bugs.</p>
+    <img src="img/nsf_grant_announcement.png" class="stretch">
 </section>
 
 
 <section>
-<h3>Open Science Beginnings</h3>
-
-<p>
-First journal ever published:<br>
-<em>Philosophical Transactions (of the Royal Society)</em>
-</p>
-
-<img src="img/philosophical_transactions.jpg" class="stretch">
-<p class="credit glow">
-    CC BY Stefan Janusz,
-    <a href="https://en.wikipedia.org/wiki/File:Philosophical_Transactions_Volume_1_frontispiece.jpg">Wikipedia</a>
-</p>
+    <h2>Turn of the Tide?</h2>
 </section>
 
 
-<section>
-<h3>Theoretical Publishing Goals</h3>
-<ul>
-    <li>registration <small>so that scientists get credit</small>
-    <li>archiving <small>so that we preserve knowledge for the future</small>
-    <li>dissemination <small>so that people can use this knowledge</small>
-    <li>peer review <small>so that we know it's worth it</small>
-</ul>
-
-<p>
-<small>
-    Discussion questions:
-    <!-- How are these goals different from goals of science? -->
-    How are these publishing goals fulfilled by journal papers?
-</small>
-</section>
-
-
-
 <section>
     <h3>National Institutes of Health New 2023 Policy</h3>
 
@@ -354,6 +336,35 @@ <h3>National Institutes of Health New 2023 Policy</h3>
 </section>
 
 
+<section>
+    <h3>NASA</h3>
+    <blockquote>
+    [In 2022,] NASA committed $20 million per year to advance open science, beginning in 2023.
+    <small>
+        <br>
+    https://www.nature.com/articles/d41586-023-00019-y
+</small>
+</blockquote>
+</section>
+
+
+<section>
+    <h3>Year of Open Science</h3>
+    <blockquote>
+    [The White House Office of Science and Technology Policy (OSTP)] is [...]
+    launching the Year of Open Science, featuring actions across the federal
+    government throughout 2023 to advance national open science policy,
+    provide access to the results of the nation’s taxpayer-supported research,
+    accelerate discovery and innovation, promote public trust,
+    and drive more equitable outcomes.
+    <small>
+        <br>
+    https://www.whitehouse.gov/ostp/news-updates/2023/01/11/fact-sheet-biden-harris-administration-announces-new-actions-to-advance-open-and-equitable-research/
+</small>
+</blockquote>
+</section>
+
+
 <section>
     <h3>Nelson Memo: Peer-Reviewed Publications (2025)</h3>
 
@@ -395,7 +406,7 @@ <h3>Nelson Memo: Scientific Data (2025)</h3>
 
     <small class="glow">
         Discussion questions:
-        Do you know any open-source software success stories?
+        What open-science concept or concepts this refers to? Where is open-source software?
     </small>
 </section>
 
@@ -415,6 +426,50 @@ <h3>Open Source Software and Industry</h3>
         Eghbal, Nadia (2016). Roads and bridges: The unseen labor behind our digital infrastructure. <a href="https://www.fordfoundation.org/work/learning/research-reports/roads-and-bridges-the-unseen-labor-behind-our-digital-infrastructure/">Ford Foundation</a>
     </small>
     </blockquote>
+
+    <small class="glow">
+        Discussion questions:
+        Do you know any open-source software success stories?
+    </small>
+</section>
+
+
+<section>
+    <h2>Other Reasons for Doing Open Science</h2>
+</section>
+
+
+<section>
+<h3>Open Science Beginnings</h3>
+
+<p>
+First journal ever published:<br>
+<em>Philosophical Transactions (of the Royal Society)</em>
+</p>
+
+<img src="img/philosophical_transactions.jpg" class="stretch">
+<p class="credit glow">
+    CC BY Stefan Janusz,
+    <a href="https://en.wikipedia.org/wiki/File:Philosophical_Transactions_Volume_1_frontispiece.jpg">Wikipedia</a>
+</p>
+</section>
+
+
+<section>
+<h3>Theoretical Publishing Goals</h3>
+<ul>
+    <li>registration <small>so that scientists get credit</small>
+    <li>archiving <small>so that we preserve knowledge for the future</small>
+    <li>dissemination <small>so that people can use this knowledge</small>
+    <li>peer review <small>so that we know it's worth it</small>
+</ul>
+
+<p>
+<small>
+    Discussion questions:
+    <!-- How are these goals different from goals of science? -->
+    How are these publishing goals fulfilled by journal papers?
+</small>
 </section>
 
 
@@ -449,6 +504,11 @@ <h3>Internal Reasons for Open Science</h3>
 </section>
 
 
+<section>
+    <h2>Open Science Components and Definitions</h2>
+</section>
+
+
 <section>
     <h3>What Open Means</h3>